root@Xen-Debian:/# for n in a b; do smartctl -a /dev/sd$n | grep -i err; done
					was suspended by an interrupting command from host.
					without error or no self-test has ever
Error logging capability:        (0x01)	Error logging supported.
					SCT Error Recovery Control supported.
  1 Raw_Read_Error_Rate     0x000b   088   088   016    Pre-fail  Always       -       4587531
  7 Seek_Error_Rate         0x000b   100   100   067    Pre-fail  Always       -       0
199 UDMA_CRC_Error_Count    0x000a   200   200   000    Old_age   Always       -       0
SMART Error Log Version: 0
No Errors Logged
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed without error       00%         6         -
# 2  Short offline       Completed without error       00%         3         -
					was completed without error.
Error logging capability:        (0x01)	Error logging supported.
					SCT Error Recovery Control supported.
  1 Raw_Read_Error_Rate     0x000f   112   100   006    Pre-fail  Always       -       42128458
  7 Seek_Error_Rate         0x000f   075   060   030    Pre-fail  Always       -       33746679
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
SMART Error Log Version: 1
No Errors Logged
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 2  Short offline       Completed without error       00%      2060         -